synthetize

US: (sin′thi tīz′)

WordReference Random House Unabridged Dictionary of American English © 2025

syn•the•tize  (sin′thi tīz′), v.t., v.i., -tized, -tiz•ing. 

1. to synthesize.

Also,[esp. Brit.,] syn′the•tise′. 

• Greek synthetízesthai; see synthetic, -ize
• 1820–30

syn′the•ti•za′tion, n. 
syn′the•tiz′er, n. 

WordReference Random House Learner's Dictionary of American English © 2025

syn•the•size /ˈsɪnθəˌsaɪz/   v. [~ + object] , -sized, -siz•ing. 

1. to make or form (something) into a synthesis:
   Doctors and scientists worked to synthesize a drug similar to the one produced naturally by certain South American plants.
2. to make (sounds) by a special machine or synthesizer.

See syn-, -thes-.

WordReference Random House Unabridged Dictionary of American English © 2025

syn•the•size  (sin′thə sīz′), v., -sized, -siz•ing. 
v.t. 

1. to form (a material or abstract entity) by combining parts or elements (opposed to analyze):
   to synthesize a statement.
2. Chemistry to combine (constituent elements) into a single or unified entity.
3. to treat synthetically.

v.i. 

4. to make or form a synthesis.

Also, synthetize*  [esp. Brit.,] syn′the•sise′. 

• synthes(is) + -ize 1820–30

syn′the•si•za′tion, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

synthesize / ˈsɪnθɪˌsaɪz/, synthetize, synthesise, synthetise verb

1. to combine or cause to combine into a whole
2. (transitive) to produce by synthesis

ˌsynthesiˈzation, ˌsynthetiˈzation, ˌsynthesiˈsation, ˌsynthetiˈsation noun